Table 2.

Sites of failure after C-ion RT (pelvic lymph node and tumor size)

		PLN		Tumor size		Total
	First site of failure	Negative	Positive	≤ Median	> Median	36
SqCC	Locoregional failure	5 (27.8%)	4 (22.2%)	4 (22.2%)	5 (27.8%)	9 (25.0%)
	Distant failure	2 (11.1%)	11 (61.1%)	6 (33.3%)	7 (38.9%)	13 (36.1%)
	PALN failure	1 (5.5%)	8 (44.4%)	4 (22.2%)	5 (27.8%)	9 (25.0%)
	Total	18	18	18	18	36
AC	Locoregional failure	7 (22.6%)	11 (45.8%)	7 (25.0%)	11 (37.9%)	18 (32.7%)
	Distant failure	14 (45.2%)	13 (54.2%)	11 (39.3%)	16 (59.3%)	27 (49.1%)
	PALN failure	2 (6.5%)	8 (33.3%)	4 (14.3%)	6 (22.2%)	10 (18.2%)
	Total	31	24	27	28	55